■ verb
1》 [often as adjective ~d ] make troubled or nervous.
2》 campaign to arouse public concern about an issue.
3》 stir or disturb (a liquid) briskly.
Derivatives
~dly adverb
agitation noun
agitator noun
Origin
ME (in the sense 'drive away'): from L. agitat- , agitare '~, drive', frequentative of agere 'do, drive'.